Finding the Fourth Proportional to 71,026.29, 106,511.74 and 26,628.81
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Solution
The fourth proportional to 71,026.29, 106,511.74 and 26,628.81 is: 39,932.83
Step by Step Solution
- Step 1: Write the proportion equation
71,026.29 : 106,511.74 = 26,628.81 : x - Step 2: Convert to fraction form
71,026.29/106,511.74 = 26,628.81/x - Step 3: Cross multiply
71,026.29x = 106,511.74 × 26,628.81 - Step 4: Simplify right side
71,026.29x = 2,836,280,887.23 - Step 5: Solve for x
x = 2,836,280,887.23/71,026.29 - Step 6: Final answer
x = 39,932.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.